PRASETYO, TEGUH EKO (2020) OPTIMASI BIOPLASTIK PATI KULIT SINGKONG DENGAN VARIASI PENGUAT NANOSERAT SABUT KELAPA DAN GLISEROL TERHADAP KEKUATAN MEKANIK MENGGUNAKAN RESPONSE SURFACE METHODOLOGY (RSM). S1 thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.

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Abstract

Bioplastics are plastics that can be degradable by the activity of the parser microorganisms. Bioplastic material that is easily acquired and able to be naturally degraded among them from starch. Bioplastics made of u starch have weakness of low mechanical strength. So it needs the addition of coconut fiber amplifier and glycerol. The aim of this research is to determine the optimum conditions of biodegradable plastics from cassava skin starch with the addition of coconut fiber nano-reinforcement and plasticizer to mechanical characteristics using surface methodology (RSM) response and Bioplastic Biodegradability. The process of making bioplastics uses the principle of gelatinization. The solution is mixed and dried at 50 º C for 24 hours. The main ingredient biplastik is cassava skin starch and nanoselulos of coconut fiber as an amplifier plus glycerol as plasticizer. Based on data using the tensile strength of the pull is obtained will be maximal if the nano concentration 0.7321% and glycerol 0.9001% with a strong tensile of 3.3273 Mpa. While elongation obtained will be maximal when nano concentrations 0.1464% and glycerol 2.6143% with elongation by 65.8571%. Results of Biodegradable test with 5% starch, nanocellulose 0.75%, and glycerol 1%, carried out by immersion using a solution EM4 obtained a perfect degraded bioplastic estimate or 100% loss of mass is 12.77 days.

Dosen Pembimbing: Haryanto | nidn0615087401
Item Type: Thesis (S1)
Uncontrolled Keywords: Bioplastiki, cassava skin starch, coconut coir fibers, glycerol, strong tensile, elongation, optimization, sohletation extraction, surface method response (RSM).
Subjects: T Technology > TP Chemical technology
Divisions: Fakultas Tekniik Dan Sains > Teknik Kimia S1
Depositing User: Agus Imam
Date Deposited: 01 Sep 2022 03:50
Last Modified: 09 Dec 2024 06:23
URI: http://repository.ump.ac.id/id/eprint/13925

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